Sometimes life leaves you no good choice. Sometimes, any option you have is bad. It is then up to you to choose the lesser evil, and make the best of it. Trigger warning - Death Eaters are Death Eaters, violence, sexual violence, sexual content, etc...
Harry is left with the Dursleys just after his godfather had died. One thing leads to the other and Harry is fed up with being a puppet. He breaks free and finds help. And boy, does he start rocking the boat.